Roaring Twenties
The Roaring Twenties was a title which was applied to the decade of the 1920s, acknowledged by the Tenth Doctor. (TV: Daleks in Manhattan) It was a time of wealth and excess in the USA. (PROSE: A History of Humankind) As the Doctor claimed, New York was a boom town during this time, (TV: Daleks in Manhattan) before the Wall Street Crash (PROSE: A History of Humankind) and Herbert Hoover took office as President of the United States in 1929. (TV: Daleks in Manhattan)
The period between 1918 and 1939, including the 1920s, was one of upheaval and change in Britain. The coal, textile and ship-building industries were already in decline, and steam power was being replaced by electricity. Having worked on the land and in factories during the war, women took a more prominent role in society. New leisure activities included the wireless, film and jazz. (PROSE: A History of Humankind)